Acer X1140a Users Guide

31
EnglishOSD Messages
# Condition Message Reminder
1 Message Fan Fail - the system fan is not working.
Projector Overheated - the projector has exceeded its 
recommended operating temperature and must be allowed to 
cool down before it is used. Please also check the dust filters if 
they are installed. If the dust filter is clogged with dust, please 
clean it.
Replace the lamp - the lamp is about to reach its maximum 
lifetime. Prepare to replace it soon.
Fan Fail.
Lamp will automatically turn off...

32
English
LED & Alarm Definition Listing
LED Messages
Message Power LED LAMP LED TEMP LED
Red Blue Red Red
Standby
(Power cord plugged in)V-- -- --
Power on -- V -- --
Lamp retry -- Quick 
flashing-- --
Turning off (Cooling 
state)Quick 
flashing-- -- --
Turning off (Cooling 
completed)V-- -- --
Error (Thermal failure) -- V -- V
Error (Fan lock failure) -- V -- Quick 
flashing
Error (Lamp breakdown) -- V V --
Error (Color wheel 
failure)-- V Quick 
flashing--
Downloaded From projector-manual.com Acer...

33
EnglishReplacing the Lamp
Use a screwdriver to remove the screw(s) from the cover, and then pull out the 
lamp.
The projector will detect the lamp life itself. It will show you a warning message 
Lamp is approaching the end of its useful life in full power operation. 
Replacement Suggested! When you see this message, change the lamp as soon 
as possible. Make sure the projector has been cooled down for at least 45 
minutes before changing the lamp.
Warning: Lamp compartment is hot! Allow it to cool...

34
English
Ceiling Mount Installation
If you wish to install the projector using a ceiling mount, please refer to the 
steps below:
1 Drill four holes into a solid, structurally sound part of the ceiling, and 
secure the mount base.
Note: Screws are not included. Please obtain the appropriate 
screws for your type of ceiling.
2 Secure the ceiling rod using the appropriate type of cylinder screws.
20 mm13mm
8.4mm130 mm
49.9mm
Short Rod
Screw Type A
50 mm length / 8 mm diameter -Ceiling Mount Base
- Attach...

35
English3 Use the appropriate number of screws for the projector size to attach the 
projector to the ceiling mount bracket.
Note: It is recommended that you keep a reasonable space 
between the bracket and the projector to allow for proper heat 
distribution. Use two washers for extra support, if deemed 
necessary.
4 Attach the ceiling bracket to the ceiling rod.
Smaller WasherLarge Washer
Projector Bracket
Supports projector and 
allows for adjustments   Screw Type B
Spacer
- For heat dissipation...

36
English
5 Adjust the angle and positioning as necessary.
Note: The appropriate type of screw and washer for each model is 
listed in the table below. 3 mm diameter screws are enclosed in 
the screw pack.
Models Screw Type B Washer Type
Diameter (mm) Length (mm) Large Small
X1140/X1140A/X1240/
X1340W325VV
30
Allen KeyTightening Screw
Allen Key
Tightening Screw
110.05 mm
81.5 mm
55 mm
Downloaded From projector-manual.com Acer Manuals 

37
EnglishSpecifications
The specifications below are subject to change without notice. For final specs, 
please refer to Acers marketing documentation.
Projection system
DLP™
Resolution•X1140/X1140A:
Native: SVGA (800 x 600)
Maximum: UXGA (1600 x 1200), 1080p (1920 x 1080)
•X1240:
Native: XGA (1024 x 768)
Maximum: UXGA (1600 x 1200), 1080p (1920 x 1080)
•X1340W:
Native: WXGA (1280 x 800)
Maximum: UXGA (1600 x 1200), 1080p (1920 x 1080)
Computer compatibility Refer to the Compatibility Modes section for...

38
English
* Design and specifications are subject to change without notice.
Power consumption (typical) 240 W
Operating temperature 0ºC to 35ºC / 32ºF to 95ºF
I/O connectors
•Power socket x 1
•USB x 1 (Type mini B)
•VGA input x 1
•Composite video x 1
•S-Video x 1
Below items are for X1140A/X1240/X1340W 
only.
•
RS232 x 1
•3.5 mm audio jack input x 1
•3.5 mm audio jack output x 1
•VGA input x 2
•VGA output x 1
Standard package contents
•AC power cord x 1
•VGA cable x 1
•Remote control x 1
•Battery x 2...

39
EnglishCompatibility Modes
1 VGA Analog - PC Signal
ModeResolutionV.Frequency [Hz]H.Frequency 
[KHz]
VGA 640 x 48060 31.47
72 37.86
75 37.50
85 43.27
120 61.91
SVGA 800 x 60056 35.20
60 37.88
72 48.08
75 46.88
85 53.67
120 77.42
XGA 1024 x 76860 48.36
70 56.48
75 60.02
85 68.67
120 98.96
SXGA1152 x 86470 63.85
75 67.50
85 77.10
1280 x 102460 63.98
72 76.97
75 79.98
85 91.15
QuadVGA1280 x 960 60 60.00
1280 x 960 75 75.00
SXGA+ 1400 x 1050 60 65.32
UXGA 1600 x 1200 60 75.00
PowerBook G4640 x 480 60...

40
English
2 YPbPr Signal
3 Video, S-Video Signal
WXGA1280 x 768 60 47.78
1280 x 768 75 60.29
1280 x 768 85 68.63
1280 x 720 60 45.00
1280 x 800 60 49.70
1440 x 900 60 55.94
1680 x 1050 60 65.29
1366 x 768 60 47.71
1920 x 1080-RB 60 66.60
1920 x 1080-EIA 60 67.50
1024 x 600 60 37.50
ModeResolutionV.Frequency [Hz]H.Frequency [KHz]
480i720 x 48059.9415.73
480p720 x 48059.9431.47
576i720 x 57650.0015.63
576p720 x 57650.0031.25
720p1280 x 72060.0045.00
720p1280 x 72050.0037.50
1080i1920 x 108060.0033.75...